(Program
  (Assignment
    (
      (Identifier)
    { (Identifier)
    ->(Identifier) }
    {-(Identifier)-})
    (Array
      (Integer)
      (Integer)
      (Integer)))
{-(Assignment
  {-(
    {-(Identifier)-}
    {-(Identifier)-})-}
  {-(Array
    {-(Integer)-}
    {-(Integer)-})-})-}
{-(Assignment
  {-(
    {-(Identifier)-}
    {-(Identifier)-})-}
  {-(Array
    {-(Integer)-}
    {-(Integer)-})-})-}
{-(Assignment
  {-(
    {-(Identifier)-}
    {-(Identifier)-})-}
  {-(Array
    {-(Integer)-}
    {-(Integer)-})-})-}
{-(Assignment
  {-(
    {-(Identifier)-}
    {-(Identifier)-})-}
  {-(Identifier)-})-}
{-(Assignment
  {-(
    {-(Send
      {-(Identifier)-}
      {-(Identifier)-})-}
    {-(Send
      {-(Identifier)-}
      {-(Identifier)-})-})-}
  {-(
    {-(Send
      {-(Send
        {-(Identifier)-})-}
      {-(Identifier)-})-}
    {-(Send
      {-(Send
        {-(Identifier)-})-}
      {-(Identifier)-})-})-})-}
{-(Assignment
  {-(
    {-(
      {-(Identifier)-}
      {-(Identifier)-})-})-}
  {-(Identifier)-})-})